body { {{ background:}} {{ #FFF2CC; /* color */}} }
Resulting output from CasC "Download Configuration":
{{ simple-theme-plugin:}} {{ elements: |-}} {{ FAILED TO EXPORT}} {{ org.codefirst.SimpleThemeDecorator#elements: io.jenkins.plugins.casc.ConfiguratorException: Can't read attribute 'url' from org.jenkinsci.plugins.simpletheme.CssTextThemeElement@3301b468}} {{ at io.jenkins.plugins.casc.Attribute._getValue(Attribute.java:262)}} {{ at io.jenkins.plugins.casc.Attribute.getValue(Attribute.java:180)}} {{ at io.jenkins.plugins.casc.impl.configurators.DataBoundConfigurator.describe(DataBoundConfigurator.java:250)}} {{ at io.jenkins.plugins.casc.impl.configurators.HeteroDescribableConfigurator.lambda$convertToNode$de0cd4f8$1(HeteroDescribableConfigurator.java:283)}} {{ at io.vavr.CheckedFunction0.lambda$unchecked$52349c75$1(CheckedFunction0.java:201)}} {{ at io.jenkins.plugins.casc.impl.configurators.HeteroDescribableConfigurator.convertToNode(HeteroDescribableConfigurator.java:283)}} {{ at io.jenkins.plugins.casc.impl.configurators.HeteroDescribableConfigurator.lambda$describe$5(HeteroDescribableConfigurator.java:107)}} {{ at io.vavr.control.Option.map(Option.java:373)}} {{ at io.jenkins.plugins.casc.impl.configurators.HeteroDescribableConfigurator.describe(HeteroDescribableConfigurator.java:107)}} {{ at io.jenkins.plugins.casc.impl.configurators.HeteroDescribableConfigurator.describe(HeteroDescribableConfigurator.java:55)}} {{ at io.jenkins.plugins.casc.Attribute.describe(Attribute.java:198)}} {{ at io.jenkins.plugins.casc.Configurator.describe(Configurator.java:161)}} {{ at io.jenkins.plugins.casc.impl.configurators.GlobalConfigurationCategoryConfigurator.describe(GlobalConfigurationCategoryConfigurator.java:106)}} {{ at io.jenkins.plugins.casc.impl.configurators.GlobalConfigurationCategoryConfigurator.lambda$describe$3(GlobalConfigurationCategoryConfigurator.java:99)}} {{ at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184)}} {{ at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175)}} {{ at java.util.Iterator.forEachRemaining(Iterator.java:116)}} {{ at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)}} {{ at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:482)}} {{ at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:472)}} {{ at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)}} {{ at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)}} {{ at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)}} {{ at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)}} {{ at io.jenkins.plugins.casc.impl.configurators.GlobalConfigurationCategoryConfigurator.describe(GlobalConfigurationCategoryConfigurator.java:99)}} {{ at io.jenkins.plugins.casc.impl.configurators.GlobalConfigurationCategoryConfigurator.describe(GlobalConfigurationCategoryConfigurator.java:30)}}